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Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/YbGVk on line 3
Warning: Use of undefined constant b - assumed 'b' (this will throw an Error in a future version of PHP) in /in/YbGVk on line 3
Warning: Use of undefined constant c - assumed 'c' (this will throw an Error in a future version of PHP) in /in/YbGVk on line 3
Warning: Use of undefined constant d - assumed 'd' (this will throw an Error in a future version of PHP) in /in/YbGVk on line 4
Warning: Use of undefined constant e - assumed 'e' (this will throw an Error in a future version of PHP) in /in/YbGVk on line 4
Warning: Use of undefined constant f - assumed 'f' (this will throw an Error in a future version of PHP) in /in/YbGVk on line 4
array(1) {
["item_data"]=>
array(3) {
[0]=>
string(1) "d"
[1]=>
string(1) "e"
[2]=>
string(1) "f"
}
}

Output for 5.4.0 - 7.1.10

Notice: Use of undefined constant a - assumed 'a' in /in/YbGVk on line 3
Notice: Use of undefined constant b - assumed 'b' in /in/YbGVk on line 3
Notice: Use of undefined constant c - assumed 'c' in /in/YbGVk on line 3
Notice: Use of undefined constant d - assumed 'd' in /in/YbGVk on line 4
Notice: Use of undefined constant e - assumed 'e' in /in/YbGVk on line 4
Notice: Use of undefined constant f - assumed 'f' in /in/YbGVk on line 4
array(1) {
["item_data"]=>
array(3) {
[0]=>
string(1) "d"
[1]=>
string(1) "e"
[2]=>
string(1) "f"
}
}